Periodic Table of the Elements

I really put this here for completeness, as anybody with any kind of education knows what this is, and images of all sorts are a dime a dozen on the Internet. But there is a reason for that - its importance absolutely cannot be understated. The Elements are the fundamental building blocks of all that you and I can experience directly. The periodic table is the fundamental result of Quantum Electrodynamics, and is the fundamental basis of Chemistry. Without it there would be no Technology as we understand it today.

Here’s a pretty good interactive Periodic table:
http://www.webelements.com/webelements/index.html